... 8. River Monitoring and Flood Control;9. Oil and gas pipelines;10. Corrosion protection;11. Valve controls;12. Wellheads ... Network, .>>>>>Specifications of Mainframe: >>Power adapter : DC 12V/1.5A>>Power consumption: 12V input, Max. 50mA/Average 50mA>>Frequency : Quad- ... Temperature Sensor, Door Sensor, PIR Motion Sensor, Smoke Sensor, Gas Leak Sensor, Glass Break Sensor, Shock Sensor, Power failure ...